Sentences with phrase «gps radio collars»
The authors of the present study used field observations and GPS radio collars to track 26 mountain lions in and around the Santa Monica Mountains near Los Angeles.
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Between March 2008 and September 2009, the researchers caught nine pumas living in a 1100 - square - kilometer region in southern Chile and strapped GPS - equipped radio collars on them.
Their study involved live capture of eastern coyotes and eastern coyote × eastern wolf hybrids to deploy Global Positioning System (GPS) radio - collars and take blood samples for DNA analysis.
GPS and radio collars can help tremendously by keeping track of hunting dogs, but they can cost several hundred dollars.